Combination screw driver blade tip and cooperating interlocking screw slot



FIG. 1 is a front elevational view showing my new design for the screw driver blade tip portion of the combination screw driver blade tip and cooperating interlocking screw slot, the rear view being identical thereto;

FIG. 2 is a left side elevational view thereof taken in the direction of arrow 2 in FIG. 1, the right side being identical thereto;

FIG. 3 is an end view taken in the direction of arrow 3 in FIG. 1;

FIG. 4 is a top plan view showing my new design for a cooperating interlocking screw slot, the broken lines showing the rest of the screw is for illustrated purposes only and forms no part of the claimed design;

FIG. 5 is a front elevational view thereof taken along line 5—5 in FIG. 4, the rear elevational view being identical thereto, the broken lines showing the rest of the screw is for illustrated purposes only and forms no part of the claimed design; and,

FIG. 6 is a left side elevational view thereof taken along line 6—6 in FIG. 4, the right side elevational view being identical thereto, the broken lines showing the rest of the screw is for illustrated purposes only and forms no part of the claimed design. 

The ornamental design for a combination screw driver blade tip and cooperating interlocking screw slot, as shown and described. 